sad.asm as used in processing is an exact subset of the code in satd_sad.asm in the encoder.
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| 1 | −;*! | |
| 2 | −;* \copy | |
| 3 | −;* Copyright (c) 2009-2013, Cisco Systems | |
| 4 | −;* All rights reserved. | |
| 5 | −;* | |
| 6 | −;* Redistribution and use in source and binary forms, with or without | |
| 7 | −;* modification, are permitted provided that the following conditions | |
| 8 | −;* are met: | |
| 9 | −;* | |
| 10 | −;* * Redistributions of source code must retain the above copyright | |
| 11 | −;* notice, this list of conditions and the following disclaimer. | |
| 12 | −;* | |
| 13 | −;* * Redistributions in binary form must reproduce the above copyright | |
| 14 | −;* notice, this list of conditions and the following disclaimer in | |
| 15 | −;* the documentation and/or other materials provided with the | |
| 16 | −;* distribution. | |
| 17 | −;* | |
| 18 | −;* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 | −;* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 | −;* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 21 | −;* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 22 | −;* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 23 | −;* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 24 | −;* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 25 | −;* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 26 | −;* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 27 | −;* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 28 | −;* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | −;* POSSIBILITY OF SUCH DAMAGE. | |
| 30 | −;* | |
| 31 | −;* | |
| 32 | −;* sad.asm | |
| 33 | −;* | |
| 34 | −;* Abstract | |
| 35 | −;* WelsSampleSad8x8_sse21 | |
| 36 | −;* | |
| 37 | −;* History | |
| 38 | −;* 8/5/2009 Created | |
| 39 | −;* | |
| 40 | −;* | |
| 41 | −;*************************************************************************/ | |
| 42 | − | |
| 43 | −%include "asm_inc.asm" | |
| 44 | − | |
| 45 | −;*********************************************************************** | |
| 46 | −; Macros and other preprocessor constants | |
| 47 | −;*********************************************************************** | |
| 48 | −%macro CACHE_SPLIT_CHECK 3 ; address, width, cacheline | |
| 49 | −and %1, 0x1f|(%3>>1) | |
| 50 | −cmp %1, (32-%2)|(%3>>1) | |
| 51 | −%endmacro | |
| 52 | − | |
| 53 | −%macro SSE2_GetSad8x4 0 | |
| 54 | − movq xmm0, [r0] | |
| 55 | − movq xmm1, [r0+r1] | |
| 56 | − lea r0, [r0+2*r1] | |
| 57 | − movhps xmm0, [r0] | |
| 58 | − movhps xmm1, [r0+r1] | |
| 59 | − | |
| 60 | − movq xmm2, [r2] | |
| 61 | − movq xmm3, [r2+r3] | |
| 62 | − lea r2, [r2+2*r3] | |
| 63 | − movhps xmm2, [r2] | |
| 64 | − movhps xmm3, [r2+r3] | |
| 65 | − psadbw xmm0, xmm2 | |
| 66 | − psadbw xmm1, xmm3 | |
| 67 | − paddw xmm6, xmm0 | |
| 68 | − paddw xmm6, xmm1 | |
| 69 | −%endmacro | |
| 70 | − | |
| 71 | − | |
| 72 | −;*********************************************************************** | |
| 73 | −; Code | |
| 74 | −;*********************************************************************** | |
| 75 | −SECTION .text | |
| 76 | − | |
| 77 | −WELS_EXTERN WelsSampleSad8x8_sse21 | |
| 78 | −WelsSampleSad8x8_sse21: | |
| 79 | − ;mov ecx, [esp+12] | |
| 80 | − ;mov edx, ecx | |
| 81 | − ;CACHE_SPLIT_CHECK edx, 8, 64 | |
| 82 | − ;jle near .pixel_sad_8x8_nsplit | |
| 83 | − ;push ebx | |
| 84 | − ;push edi | |
| 85 | − ;mov eax, [esp+12] | |
| 86 | − ;mov ebx, [esp+16] | |
| 87 | − | |
| 88 | − %assign push_num 0 | |
| 89 | − mov r2, arg3 | |
| 90 | − push r2 | |
| 91 | − CACHE_SPLIT_CHECK r2, 8, 64 | |
| 92 | − jle near .pixel_sad_8x8_nsplit | |
| 93 | − pop r2 | |
| 94 | −%ifdef X86_32 | |
| 95 | − push r3 | |
| 96 | − push r4 | |
| 97 | − push r5 | |
| 98 | −%endif | |
| 99 | − %assign push_num 3 | |
| 100 | − mov r0, arg1 | |
| 101 | − mov r1, arg2 | |
| 102 | − SIGN_EXTENTION r1, r1d | |
| 103 | − pxor xmm7, xmm7 | |
| 104 | − | |
| 105 | − ;ecx r2, edx r4, edi r5 | |
| 106 | − | |
| 107 | − mov r5, r2 | |
| 108 | − and r5, 0x07 | |
| 109 | − sub r2, r5 | |
| 110 | − mov r4, 8 | |
| 111 | − sub r4, r5 | |
| 112 | − | |
| 113 | − shl r5, 3 | |
| 114 | − shl r4, 3 | |
| 115 | − movd xmm5, r5d | |
| 116 | − movd xmm6, r4d | |
| 117 | − mov r5, 8 | |
| 118 | − add r5, r2 | |
| 119 | − mov r3, arg4 | |
| 120 | − SIGN_EXTENTION r3, r3d | |
| 121 | − movq xmm0, [r0] | |
| 122 | − movhps xmm0, [r0+r1] | |
| 123 | − | |
| 124 | − movq xmm1, [r2] | |
| 125 | − movq xmm2, [r5] | |
| 126 | − movhps xmm1, [r2+r3] | |
| 127 | − movhps xmm2, [r5+r3] | |
| 128 | − psrlq xmm1, xmm5 | |
| 129 | − psllq xmm2, xmm6 | |
| 130 | − por xmm1, xmm2 | |
| 131 | − | |
| 132 | − psadbw xmm0, xmm1 | |
| 133 | − paddw xmm7, xmm0 | |
| 134 | − | |
| 135 | − lea r0, [r0+2*r1] | |
| 136 | − lea r2, [r2+2*r3] | |
| 137 | − lea r5, [r5+2*r3] | |
| 138 | − | |
| 139 | − movq xmm0, [r0] | |
| 140 | − movhps xmm0, [r0+r1] | |
| 141 | − | |
| 142 | − movq xmm1, [r2] | |
| 143 | − movq xmm2, [r5] | |
| 144 | − movhps xmm1, [r2+r3] | |
| 145 | − movhps xmm2, [r5+r3] | |
| 146 | − psrlq xmm1, xmm5 | |
| 147 | − psllq xmm2, xmm6 | |
| 148 | − por xmm1, xmm2 | |
| 149 | − | |
| 150 | − psadbw xmm0, xmm1 | |
| 151 | − paddw xmm7, xmm0 | |
| 152 | − | |
| 153 | − lea r0, [r0+2*r1] | |
| 154 | − lea r2, [r2+2*r3] | |
| 155 | − lea r5, [r5+2*r3] | |
| 156 | − | |
| 157 | − movq xmm0, [r0] | |
| 158 | − movhps xmm0, [r0+r1] | |
| 159 | − | |
| 160 | − movq xmm1, [r2] | |
| 161 | − movq xmm2, [r5] | |
| 162 | − movhps xmm1, [r2+r3] | |
| 163 | − movhps xmm2, [r5+r3] | |
| 164 | − psrlq xmm1, xmm5 | |
| 165 | − psllq xmm2, xmm6 | |
| 166 | − por xmm1, xmm2 | |
| 167 | − | |
| 168 | − psadbw xmm0, xmm1 | |
| 169 | − paddw xmm7, xmm0 | |
| 170 | − | |
| 171 | − lea r0, [r0+2*r1] | |
| 172 | − lea r2, [r2+2*r3] | |
| 173 | − lea r5, [r5+2*r3] | |
| 174 | − | |
| 175 | − movq xmm0, [r0] | |
| 176 | − movhps xmm0, [r0+r1] | |
| 177 | − | |
| 178 | − movq xmm1, [r2] | |
| 179 | − movq xmm2, [r5] | |
| 180 | − movhps xmm1, [r2+r3] | |
| 181 | − movhps xmm2, [r5+r3] | |
| 182 | − psrlq xmm1, xmm5 | |
| 183 | − psllq xmm2, xmm6 | |
| 184 | − por xmm1, xmm2 | |
| 185 | − | |
| 186 | − psadbw xmm0, xmm1 | |
| 187 | − paddw xmm7, xmm0 | |
| 188 | − | |
| 189 | − movhlps xmm0, xmm7 | |
| 190 | − paddw xmm0, xmm7 | |
| 191 | − movd retrd, xmm0 | |
| 192 | −%ifdef X86_32 | |
| 193 | − pop r5 | |
| 194 | − pop r4 | |
| 195 | − pop r3 | |
| 196 | −%endif | |
| 197 | − jmp .return | |
| 198 | − | |
| 199 | −.pixel_sad_8x8_nsplit: | |
| 200 | − ;push ebx | |
| 201 | − ;mov eax, [esp+8] | |
| 202 | − ;mov ebx, [esp+12] | |
| 203 | − ;mov edx, [esp+20] | |
| 204 | − | |
| 205 | − pop r2 | |
| 206 | − %assign push_num 0 | |
| 207 | − LOAD_4_PARA | |
| 208 | − SIGN_EXTENTION r1, r1d | |
| 209 | − SIGN_EXTENTION r3, r3d | |
| 210 | − pxor xmm6, xmm6 | |
| 211 | − SSE2_GetSad8x4 | |
| 212 | − lea r0, [r0+2*r1] | |
| 213 | − lea r2, [r2+2*r3] | |
| 214 | − SSE2_GetSad8x4 | |
| 215 | − movhlps xmm0, xmm6 | |
| 216 | − paddw xmm0, xmm6 | |
| 217 | − movd retrd, xmm0 | |
| 218 | − LOAD_4_PARA_POP | |
| 219 | −.return: | |
| 220 | − ret | |